2012年(nian)8月1日,印(yin)度(du)(du)官員(yuan)宣布,印(yin)度(du)(du)大面積(ji)斷電(dian)已經結束。印(yin)度(du)(du)發生的停(ting)電(dian)事故,覆(fu)蓋了一半以上的國(guo)土(tu),直接影響6億多人(ren)的生活,是這個南亞國(guo)家(jia)11年(nian)來最(zui)嚴重的停(ting)電(dian)事故。
印度(du)北部和東部地區7月30日和31日連續(xu)發生(sheng)兩次大面積(ji)(ji)停電事故(gu)。突如其(qi)來(lai)的(de)斷電導致(zhi)交通(tong)陷入(ru)混亂,全國(guo)超過300列火(huo)車停運,首都新德里的(de)地鐵也全部停運,造成(cheng)旅客大量滯(zhi)留,公路交通(tong)出現大面積(ji)(ji)擁(yong)堵。一些礦工被困井下(xia)。銀(yin)行系統(tong)陷入(ru)癱瘓,一度(du)給印度(du)的(de)金融交易帶來(lai)障礙。
第一次事故發生(sheng)后,印(yin)度(du)電(dian)力(li)(li)部(bu)門(men)排除故障(zhang),在(zai)停電(dian)后15個(ge)小時內(nei)基本恢(hui)復了(le)(le)電(dian)力(li)(li)供應。但(dan)旁遮普邦(bang)(bang)、哈里(li)亞(ya)納邦(bang)(bang)以(yi)及北(bei)方邦(bang)(bang)等幾個(ge)地(di)區在(zai)供電(dian)恢(hui)復后繼續(xu)超(chao)負(fu)荷用電(dian),導致了(le)(le)第二次大面積停電(dian)。印(yin)度(du)電(dian)力(li)(li)部(bu)門(men)因此不得不從鄰(lin)國輸入電(dian)力(li)(li)來(lai)滿足新德里(li)的用電(dian)需求。截至8月1日,印(yin)度(du)北(bei)部(bu)地(di)區95%的電(dian)力(li)(li)供應已恢(hui)復。
貝恩咨詢公司高級合(he)伙人阿(a)密特·辛哈(ha)認(ren)為,此(ci)次停(ting)電(dian)事故(gu)給印(yin)度(du)經濟敲(qiao)響了警鐘——印(yin)度(du)電(dian)力(li)供應至少(shao)需(xu)要(yao)保持(chi)每年6.5%至7%的增速,否則(ze)將會對(dui)該國制造(zao)業和出(chu)口企(qi)業造(zao)成傷害。
印度最大行(xing)業協會(hui)印度工(gong)商(shang)聯合會(hui)主(zhu)席卡諾里亞說:“連續兩天如此(ci)大規模(mo)的停電,值得我們密切關注,這當然會(hui)
對于商業(ye)投資環境本就存(cun)在不(bu)(bu)少問題(ti)的印(yin)度來說,此次大(da)停電不(bu)(bu)僅(jin)影響企業(ye)生(sheng)產和盈利水平(ping),還影響到印(yin)度在外國投資者(zhe)眼中(zhong)的形象。
印(yin)(yin)度產業聯(lian)合會(hui)理事長(chang)錢德拉吉特·班納吉表示,印(yin)(yin)度經(jing)濟(ji)(ji)近(jin)來增長(chang)放緩,外界本就對印(yin)(yin)度前(qian)景不太看好(hao),如今電(dian)網兩天內連續崩(beng)潰無疑使印(yin)(yin)度的(de)形(xing)象進一步(bu)受損,令有(you)(you)意投資印(yin)(yin)度的(de)外國企(qi)業望(wang)而卻步(bu)。對于一個擁有(you)(you)世界約六分之一人口的(de)新(xin)興經(jing)濟(ji)(ji)體,有(you)(you)必(bi)要使基礎設施建設與印(yin)(yin)度的(de)強國夢(meng)想相匹配。
世界媒體都(dou)在議論印(yin)度(du)大(da)停(ting)(ting)電(dian),但任何國家(jia)都(dou)不能否認自己也(ye)遭遇過大(da)停(ting)(ting)電(dian)的歷史,只是(shi)規模(mo)和破(po)壞程度(du)不同罷了。美國上世紀(ji)后(hou)半葉,至(zhi)少(shao)出(chu)現三次(ci)(ci)(ci)大(da)規模(mo)停(ting)(ting)電(dian)事故,近十多年(nian)時間里,美國至(zhi)少(shao)遭遇過數次(ci)(ci)(ci)大(da)停(ting)(ting)電(dian)。如2008年(nian),佛羅里達(da)州發生大(da)停(ting)(ting)電(dian),300萬人沒(mei)有(you)電(dian)力供應;2003年(nian)大(da)停(ting)(ting)電(dian),由密(mi)歇根州延伸(shen)至(zhi)紐(niu)約,最后(hou)蔓延到加拿大(da)。危機(ji)專家(jia)承認,“一次(ci)(ci)(ci)大(da)停(ting)(ting)電(dian),即(ji)使是(shi)數秒(miao)鐘,也(ye)不亞于一場大(da)地震帶(dai)來(lai)的破(po)壞”。
很多(duo)新(xin)興(xing)經濟體在經濟高增(zeng)長的(de)(de)刺(ci)激或(huo)尋求經濟高增(zeng)長的(de)(de)動機(ji)之下,只(zhi)顧電(dian)(dian)力開發(fa)(fa),卻(que)忽視(shi)電(dian)(dian)網安(an)全(quan)工(gong)作,對電(dian)(dian)網管理體制改革方(fang)面(mian)重視(shi)不夠,導致“缺電(dian)(dian)”和“有電(dian)(dian)”下都斷電(dian)(dian)停電(dian)(dian)的(de)(de)情況,造成大量的(de)(de)浪(lang)費和損失。印(yin)度此次發(fa)(fa)生的(de)(de)問題(ti),對印(yin)度是個現(xian)實(shi)教訓,對世界各新(xin)興(xing)經濟體而言,是給電(dian)(dian)網安(an)全(quan)上(shang)了一課(ke)。只(zhi)要體認“大停電(dian)(dian)或(huo)也會發(fa)(fa)生在我(wo)們身上(shang)”,那么,我(wo)們就應該從漠不關心等心態中覺醒過來,把(ba)印(yin)度問題(ti)視(shi)為自(zi)己(ji)的(de)(de)問題(ti),做好(hao)自(zi)己(ji)的(de)(de)安(an)全(quan)工(gong)作。
印度北部和東部地區7月30日和31日連續發
生兩次大(da)面(mian)積停(ting)電事(shi)故(gu)。突如其來(lai)的斷(duan)電導致交(jiao)通陷入混亂,全國超過300列火車停(ting)運,首都(dou)新(xin)德里(li)的地(di)鐵也(ye)全部(bu)停(ting)運,造成旅客大(da)量(liang)滯留(liu),公(gong)路(lu)交(jiao)通出現大(da)面(mian)積擁堵(du)。一(yi)些(xie)礦工被困(kun)井(jing)下。銀行系統陷入癱瘓,一(yi)度給印度的金(jin)融交(jiao)易帶來(lai)障礙。
第一(yi)次(ci)事故發生(sheng)后,印度電(dian)(dian)力(li)(li)部門(men)排除(chu)故障,在(zai)停(ting)電(dian)(dian)后15個(ge)小(xiao)時內基本恢(hui)復(fu)了(le)電(dian)(dian)力(li)(li)供應。但旁遮普邦、哈里亞納(na)邦以(yi)及北方邦等幾(ji)個(ge)地(di)區(qu)在(zai)供電(dian)(dian)恢(hui)復(fu)后繼(ji)續(xu)超負荷用電(dian)(dian),導(dao)致(zhi)了(le)第二次(ci)大(da)面積停(ting)電(dian)(dian)。印度電(dian)(dian)力(li)(li)部門(men)因此不得不從鄰國輸入電(dian)(dian)力(li)(li)來滿足新德里的用電(dian)(dian)需求。截至8月1日,印度北部地(di)區(qu)95%的電(dian)(dian)力(li)(li)供應已恢(hui)復(fu)。
貝恩咨詢(xun)公司(si)高級合伙人阿密(mi)特·辛哈認(ren)為(wei),此次停(ting)電事故給(gei)印(yin)度(du)經(jing)濟敲響了警鐘(zhong)——印(yin)度(du)電力供應至少需要(yao)保持每(mei)年6.5%至7%的增速,否則將會對該國(guo)制造(zao)業和出口企業造(zao)成(cheng)傷害。
印度最(zui)大(da)行業協會印度工商聯合會主席卡諾里亞說:“連(lian)續兩天如此大(da)規模的停電,值(zhi)得我(wo)們密切關注,這當然會
對于商業(ye)投資環境本就存在不(bu)少問(wen)題的印度(du)來說,此次大停電不(bu)僅(jin)影(ying)響(xiang)企業(ye)生產和盈利水(shui)平,還影(ying)響(xiang)到印度(du)在外國投資者(zhe)眼中的形象。
印(yin)度產業(ye)聯合(he)會理(li)事長(chang)錢德拉吉特(te)·班納(na)吉表(biao)示,印(yin)度經濟(ji)近來(lai)增長(chang)放緩,外界(jie)本(ben)就(jiu)對(dui)印(yin)度前景不太看好,如今電網兩(liang)天內連續崩潰無疑使印(yin)度的(de)形象(xiang)進一步受損,令有意(yi)投(tou)資印(yin)度的(de)外國(guo)(guo)企(qi)業(ye)望而卻步。對(dui)于一個擁有世界(jie)約六分之一人口的(de)新興經濟(ji)體,有必(bi)要使基礎設(she)施建設(she)與印(yin)度的(de)強國(guo)(guo)夢想相匹配。
世界媒體都(dou)在議論印度大(da)(da)停(ting)電(dian)(dian)(dian),但任何國家都(dou)不(bu)能否認自(zi)己(ji)也遭遇(yu)過(guo)大(da)(da)停(ting)電(dian)(dian)(dian)的(de)歷史(shi),只(zhi)是規(gui)(gui)模和破壞(huai)程度不(bu)同罷了。美國上世紀后半葉,至(zhi)少(shao)出現(xian)三次大(da)(da)規(gui)(gui)模停(ting)電(dian)(dian)(dian)事故,近十多年(nian)時(shi)間里,美國至(zhi)少(shao)遭遇(yu)過(guo)數次大(da)(da)停(ting)電(dian)(dian)(dian)。如(ru)2008年(nian),佛(fo)羅(luo)里達州發(fa)生大(da)(da)停(ting)電(dian)(dian)(dian),300萬人沒有電(dian)(dian)(dian)力(li)供應;2003年(nian)大(da)(da)停(ting)電(dian)(dian)(dian),由密(mi)歇根州延伸至(zhi)紐約,最后蔓延到加拿(na)大(da)(da)。危機專家承認,“一次大(da)(da)停(ting)電(dian)(dian)(dian),即使是數秒鐘,也不(bu)亞于一場大(da)(da)地(di)震帶來的(de)破壞(huai)”。
很多(duo)新興(xing)經(jing)濟(ji)體(ti)(ti)在經(jing)濟(ji)高(gao)增長(chang)的(de)(de)刺激或尋求(qiu)經(jing)濟(ji)高(gao)增長(chang)的(de)(de)動(dong)機之(zhi)下,只顧電(dian)力開發(fa)(fa)(fa),卻忽(hu)視(shi)電(dian)網安全工作(zuo),對(dui)(dui)電(dian)網管理體(ti)(ti)制改革方(fang)面重(zhong)視(shi)不夠,導致“缺電(dian)”和“有電(dian)”下都斷電(dian)停電(dian)的(de)(de)情(qing)況,造成大(da)量的(de)(de)浪費和損失。印(yin)度此次發(fa)(fa)(fa)生(sheng)的(de)(de)問題,對(dui)(dui)印(yin)度是個(ge)現實教訓,對(dui)(dui)世(shi)界各新興(xing)經(jing)濟(ji)體(ti)(ti)而言,是給電(dian)網安全上了一課。只要體(ti)(ti)認“大(da)停電(dian)或也會發(fa)(fa)(fa)生(sheng)在我們身(shen)上”,那么,我們就應該(gai)從漠不關心等心態中覺醒過來,把(ba)印(yin)度問題視(shi)為自己的(de)(de)問題,做好(hao)自己的(de)(de)安全工作(zuo)。
2012年7月30口(kou)凌晨2時(shi)33分開始(shi),印(yin)(yin)(yin)度(du)(du)(du)北(bei)部(bu)地(di)(di)區德里邦(bang)(bang)(bang)(bang)、哈利亞納(na)邦(bang)(bang)(bang)(bang)、中央邦(bang)(bang)(bang)(bang)、旁遮普邦(bang)(bang)(bang)(bang)、拉賈斯(si)坦邦(bang)(bang)(bang)(bang)、北(bei)安查爾邦(bang)(bang)(bang)(bang)、北(bei)方邦(bang)(bang)(bang)(bang)等(deng)9個邦(bang)(bang)(bang)(bang)發(fa)生停(ting)電事故(gu)(gu),逾3.7億(yi)人(ren)(ren)(ren)受到(dao)(dao)影(ying)響(xiang)。在(zai)(zai)(zai)上述地(di)(di)區恢復供電數小時(shi)后,于(yu)當(dang)地(di)(di)時(shi)間7月31口(kou)13時(shi)05分開始(shi),印(yin)(yin)(yin)度(du)(du)(du)包括(kuo)首都新(xin)德里在(zai)(zai)(zai)內的(de)東部(bu)、北(bei)部(bu)和(he)(he)東北(bei)部(bu)地(di)(di)區電網(wang)再次(ci)(ci)發(fa)生人(ren)(ren)(ren)面(mian)積(ji)停(ting)電事故(gu)(gu),超過20個邦(bang)(bang)(bang)(bang)再次(ci)(ci)陷入電力(li)癱(tan)瘓狀態(tai),全(quan)(quan)國(guo)近一(yi)半地(di)(di)區的(de)供電出現中斷(duan),逾6.7億(yi)人(ren)(ren)(ren)口(kou)受到(dao)(dao)影(ying)響(xiang)111印(yin)(yin)(yin)度(du)(du)(du)兩(liang)天之(zhi)內連(lian)續發(fa)生人(ren)(ren)(ren)面(mian)積(ji)停(ting)電事故(gu)(gu),是(shi)有史以(yi)來影(ying)響(xiang)人(ren)(ren)(ren)曰最(zui)多的(de)電力(li)系統事故(gu)(gu),成為(wei)世界(jie)范(fan)圍(wei)內規(gui)模最(zui)人(ren)(ren)(ren)的(de)停(ting)電事件(jian)。印(yin)(yin)(yin)度(du)(du)(du)長期以(yi)來電力(li)工業基礎(chu)薄弱(ruo)、基礎(chu)設(she)施落后并滯后于(yu)經濟發(fa)展等(deng)矛盾由(you)來己(ji)久(jiu),這次(ci)(ci)事件(jian)讓(rang)印(yin)(yin)(yin)度(du)(du)(du)的(de)電力(li)管理(li)體(ti)制、調度(du)(du)(du)防控體(ti)系和(he)(he)電網(wang)規(gui)劃(hua)建設(she)等(deng)方面(mian)諸多問題(ti)再次(ci)(ci)暴露于(yu)公眾面(mian)前。與我(wo)國(guo)一(yi)樣作(zuo)為(wei)正在(zai)(zai)(zai)崛起的(de)發(fa)展中國(guo)家,印(yin)(yin)(yin)度(du)(du)(du)此次(ci)(ci)人(ren)(ren)(ren)停(ting)電事故(gu)(gu)對我(wo)國(guo)電網(wang)安全(quan)(quan)運行具有重人(ren)(ren)(ren)的(de)借鑒意義。但是(shi)我(wo)國(guo)對人(ren)(ren)(ren)停(ting)電事故(gu)(gu)原因研(yan)究不深,需要進一(yi)步深入分析印(yin)(yin)(yin)度(du)(du)(du)人(ren)(ren)(ren)停(ting)電印(yin)(yin)(yin)度(du)(du)(du)的(de)能源(yuan)電力(li)概況。
印度的能源(yuan)資源(yuan)主(zhu)要(yao)(yao)分(fen)布在(zai)東(dong)部和東(dong)北(bei)部地區(qu)(qu)_以(yi)煤炭和水力為(wei)主(zhu)_其余(yu)為(wei)核電(dian)(dian)(dian)(dian)、油電(dian)(dian)(dian)(dian)和天然氣發(fa)電(dian)(dian)(dian)(dian)。主(zhu)要(yao)(yao)負荷中心及(ji)人口稠密地區(qu)(qu)則集中在(zai)北(bei)部、南部和西(xi)部地區(qu)(qu)。印度電(dian)(dian)(dian)(dian)網的輸(shu)電(dian)(dian)(dian)(dian)方向主(zhu)要(yao)(yao)為(wei)東(dong)電(dian)(dian)(dian)(dian)西(xi)送(song),再(zai)輔以(yi)北(bei)電(dian)(dian)(dian)(dian)南送(song)截至2012年5月,印度總發(fa)電(dian)(dian)(dian)(dian)裝(zhuang)機容量約(yue)為(wei)2億kW,其中火電(dian)(dian)(dian)(dian)裝(zhuang)機占(zhan)68.7070,水電(dian)(dian)(dian)(dian)占(zhan)19.2070,核電(dian)(dian)(dian)(dian)和其他可再(zai)生(sheng)能源(yuan)發(fa)電(dian)(dian)(dian)(dian)占(zhan)12.1%}Z
作(zuo)為亞洲第三(san)人(ren)經(jing)濟(ji)體,印(yin)度(du)過去10年(nian)(nian)間經(jing)濟(ji)增(zeng)速接近2位數,能源消費年(nian)(nian)均增(zeng)速6%但由于投資不足(zu),電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)工(gong)業發展嚴重(zhong)滯后于經(jing)濟(ji)發展水平,發電(dian)(dian)(dian)(dian)(dian)(dian)冗余(yu)不足(zu),跨區輸電(dian)(dian)(dian)(dian)(dian)(dian)能力(li)(li)不夠,電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)供(gong)(gong)應長(chang)(chang)期(qi)處于短缺(que)狀(zhuang)態(tai)。印(yin)度(du)2010-2011年(nian)(nian)度(du)GDP增(zeng)長(chang)(chang)8.5070,同期(qi)發電(dian)(dian)(dian)(dian)(dian)(dian)裝機增(zeng)長(chang)(chang)僅為5.56%印(yin)度(du)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)部預計2012年(nian)(nian)印(yin)度(du)高峰期(qi)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)缺(que)曰10.6%左右,全(quan)年(nian)(nian)電(dian)(dian)(dian)(dian)(dian)(dian)量缺(que)曰7.3%左右。仍有近40%的印(yin)度(du)家庭(約2.89億人(ren))沒(mei)有用上電(dian)(dian)(dian)(dian)(dian)(dian),且(qie)印(yin)度(du)人(ren)部分(fen)地區供(gong)(gong)電(dian)(dian)(dian)(dian)(dian)(dian)質量低(di)、停電(dian)(dian)(dian)(dian)(dian)(dian)頻繁(fan),即使在首都新德里也經(jing)常拉(la)閘限(xian)電(dian)(dian)(dian)(dian)(dian)(dian)。
印(yin)(yin)(yin)(yin)度(du)電網(wang)(wang)(wang)(wang)(wang)由五人區域性電網(wang)(wang)(wang)(wang)(wang)組成,即北(bei)部(bu)(bu)(bu)、東部(bu)(bu)(bu)、西部(bu)(bu)(bu)、東北(bei)部(bu)(bu)(bu)和南(nan)部(bu)(bu)(bu)電網(wang)(wang)(wang)(wang)(wang)。印(yin)(yin)(yin)(yin)度(du)電網(wang)(wang)(wang)(wang)(wang)的電壓(ya)等級主要有765kV,500 kV,400kV,220kV和132kV北(bei)部(bu)(bu)(bu)、東部(bu)(bu)(bu)、西部(bu)(bu)(bu)、東北(bei)部(bu)(bu)(bu)電網(wang)(wang)(wang)(wang)(wang)實現了交流400kV同步(bu)聯網(wang)(wang)(wang)(wang)(wang),形成中央(yang)電網(wang)(wang)(wang)(wang)(wang)(New Grid)。南(nan)部(bu)(bu)(bu)電網(wang)(wang)(wang)(wang)(wang)與中央(yang)電網(wang)(wang)(wang)(wang)(wang)通過(guo)直流異步(bu)聯接。此(ci)外印(yin)(yin)(yin)(yin)度(du)東部(bu)(bu)(bu)電網(wang)(wang)(wang)(wang)(wang)通過(guo)400kV交流與不(bu)月-電網(wang)(wang)(wang)(wang)(wang)互聯印(yin)(yin)(yin)(yin)度(du)交流同步(bu)電網(wang)(wang)(wang)(wang)(wang)區域間互聯情況.
印度輸電網結構分為3層,即國家電網(跨區域(yu)電(dian)網(wang)(wang)(wang)(wang)卜區(qu)域(yu)內跨(kua)邦(bang)(bang)電(dian)網(wang)(wang)(wang)(wang)一邦(bang)(bang)電(dian)網(wang)(wang)(wang)(wang)。其中跨(kua)區(qu)和跨(kua)電(dian)網(wang)(wang)(wang)(wang)由中央(yang)政府(fu)所有(you)的(de)(de)印(yin)(yin)度(du)國家(jia)電(dian)網(wang)(wang)(wang)(wang)公司(PGCIL)擁有(you),并負責運(yun)行(xing)管理;邦(bang)(bang)內輸電(dian)資產由邦(bang)(bang)政府(fu)所有(you)的(de)(de)邦(bang)(bang)輸電(dian)公司(STUB)或(huo)邦(bang)(bang)電(dian)力局(未改革邦(bang)(bang))管理從印(yin)(yin)度(du)交流(liu)互聯(lian)(lian)網(wang)(wang)(wang)(wang)跨(kua)區(qu)主(zhu)(zhu)(zhu)網(wang)(wang)(wang)(wang)架(jia)來(lai)看,區(qu)域(yu)電(dian)網(wang)(wang)(wang)(wang)之(zhi)間通(tong)過1同765kV交流(liu),23同400kV交流(liu)、10同220kV交流(liu)、1個士400kV直(zhi)流(liu)背靠(kao)背和1個士500kV直(zhi)流(liu)互聯(lian)(lian)。區(qu)域(yu)內主(zhu)(zhu)(zhu)網(wang)(wang)(wang)(wang)架(jia)主(zhu)(zhu)(zhu)要是以400kV/220kV電(dian)磁環網(wang)(wang)(wang)(wang)為主(zhu)(zhu)(zhu)。印(yin)(yin)度(du)配(pei)電(dian)網(wang)(wang)(wang)(wang)由邦(bang)(bang)政府(fu)所有(you)或(huo)私有(you)的(de)(de)配(pei)電(dian)公司擁有(you)并負責運(yun)行(xing)管理一個邦(bang)(bang)內有(you)多個配(pei)電(dian)公司,完全(quan)私營(ying)的(de)(de)配(pei)電(dian)公司有(you)17個,主(zhu)(zhu)(zhu)要分布在德里、奧里薩(sa)、占吉拉特、孟(meng)買(mai)等邦(bang)(bang)
在調(diao)度(du)(du)環節,印(yin)度(du)(du)電(dian)(dian)力(li)系統調(diao)度(du)(du)分3級,分別由國(guo)家調(diao)度(du)(du)中心(NLDC),區域(yu)調(diao)度(du)(du)中心}RLDC)、邦調(diao)度(du)(du)中心(CBLDC)負(fu)責(ze)。其中NLDC負(fu)責(ze)跨區域(yu)輸電(dian)(dian)線路調(diao)度(du)(du),5個RLDC負(fu)責(ze)區域(yu)內電(dian)(dian)網(wang)(wang)(wang)調(diao)度(du)(du),各邦SLDC負(fu)責(ze)邦內電(dian)(dian)網(wang)(wang)(wang)調(diao)度(du)(du)。調(diao)度(du)(du)機構與電(dian)(dian)網(wang)(wang)(wang)所有(you)者(zhe)合一,NLDC和RLDC由印(yin)度(du)(du)國(guo)家電(dian)(dian)網(wang)(wang)(wang)公司管理,SLDC由邦輸電(dian)(dian)公司或電(dian)(dian)力(li)局管理。
2印度“7.30","7.31”大停電事故直接原因
印(yin)度(du)電力部(bu)在事(shi)故(gu)后組(zu)成(cheng)特別小組(zu)展開全面的事(shi)故(gu)調查,并于s月(yue)I6口公(gong)布了(le)事(shi)故(gu)調查報告,報告詳(xiang)細地分析了(le)引起印(yin)度(du)連續(xu)兩起人停電事(shi)故(gu)的直接原因(yin)。
2012年7月30口,由(you)(you)(you)于Bina-Gwalior 400kV線路跳(tiao)開(kai)(kai),在北部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和西部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)解列后,由(you)(you)(you)西部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)供給北部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)負荷的(de)(de)(de)潮流(liu)(liu)轉移到“西部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)一(yi)東部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)一(yi)北部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)”的(de)(de)(de)聯(lian)絡通道,導致系(xi)(xi)統發(fa)生功(gong)率振蕩由(you)(you)(you)于振蕩中心(xin)在北部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和東部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)間(jian)的(de)(de)(de)斷(duan)面上,致使相應的(de)(de)(de)聯(lian)絡線跳(tiao)開(kai)(kai),造成北部(bu)(bu)(bu)電(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和印(yin)度交流(liu)(liu)互(hu)聯(lian)系(xi)(xi)統其他部(bu)(bu)(bu)分解列。由(you)(you)(you)于系(xi)(xi)統頻率過低以及區域內進一(yi)步(bu)的(de)(de)(de)功(gong)率振蕩,北部(bu)(bu)(bu)電(dian)(dian)力系(xi)(xi)統最(zui)終崩潰。
2012年7月31口,由(you)(you)于Bina-Gwalior 400kV線路(lu)跳開,在北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和(he)西(xi)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)解(jie)列(lie)以后(hou),用于滿足北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)區(qu)(qu)域負荷的(de)潮流(liu)轉移到“西(xi)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)一東(dong)(dong)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)一北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)”的(de)聯(lian)絡通道,導致(zhi)系(xi)(xi)統(tong)發生(sheng)功(gong)率(lv)(lv)振蕩7月31口的(de)系(xi)(xi)統(tong)振蕩中心在東(dong)(dong)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)內(nei)部(bu)(bu)(bu)(bu),靠近東(dong)(dong)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和(he)西(xi)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)斷面,因此,在導致(zhi)了東(dong)(dong)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)內(nei)部(bu)(bu)(bu)(bu)相應線路(lu)跳開之后(hou),東(dong)(dong)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)中的(de)一小部(bu)(bu)(bu)(bu)分(Ranchi和(he)Rourkela),以及(ji)西(xi)部(bu)(bu)(bu)(bu)區(qu)(qu)域電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和(he)印(yin)度交流(liu)互聯(lian)系(xi)(xi)統(tong)其他部(bu)(bu)(bu)(bu)分解(jie)列(lie)。這造(zao)成了北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和(he)東(dong)(dong)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)間斷面的(de)功(gong)率(lv)(lv)振蕩,并進一步導致(zhi)了北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)區(qu)(qu)域電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)和(he)“東(dong)(dong)部(bu)(bu)(bu)(bu)+東(dong)(dong)北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)”系(xi)(xi)統(tong)的(de)解(jie)列(lie)。隨后(hou),所有3個區(qu)(qu)域電(dian)(dian)(dian)網(wang)(wang)(wang)(wang)(wang)(北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)、東(dong)(dong)部(bu)(bu)(bu)(bu)、東(dong)(dong)北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu))由(you)(you)于區(qu)(qu)域內(nei)部(bu)(bu)(bu)(bu)功(gong)率(lv)(lv)振蕩造(zao)成多同(tong)線路(lu)跳開,系(xi)(xi)統(tong)頻率(lv)(lv)過低(di)以及(ji)在不同(tong)地區(qu)(qu)的(de)過電(dian)(dian)(dian)壓,最(zui)終北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)、東(dong)(dong)部(bu)(bu)(bu)(bu)、東(dong)(dong)北(bei)(bei)(bei)(bei)部(bu)(bu)(bu)(bu)電(dian)(dian)(dian)力系(xi)(xi)統(tong)崩潰。
根(gen)據印度的調查報告(gao),2次事故(gu)當(dang)天(tian)的故(gu)障錄波器結果(guo)均顯示,系(xi)(xi)統中并沒有監測到有故(gu)障發(fa)生。在2次事故(gu)發(fa)生前,由于西部(bu)(bu)電網和(he)北部(bu)(bu)電網斷面,以及靠近東部(bu)(bu)電網和(he)西部(bu)(bu)電網斷面的多條(tiao)區(qu)域間聯絡(luo)(luo)線(xian)停(ting)運導(dao)致跨(kua)區(qu)通道弱聯系(xi)(xi),系(xi)(xi)統間的輸電能力被顯著削(xue)弱。西部(bu)(bu)電網和(he)北部(bu)(bu)電網斷面均只有Bina-Agra 400kV(單(dan)同)一條(tiao)交流主干聯絡(luo)(luo)線(xian)路處于運行狀態(tai)。
電(dian)(dian)(dian)網(wang)(wang)(wang)內的(de)(de)邦(bang)負(fu)荷調度(du)中心對區域負(fu)荷調度(du)中心要(yao)求(qiu)其(qi)降低邦(bang)內電(dian)(dian)(dian)力(li)(li)(li)公司透支用電(dian)(dian)(dian),以及要(yao)求(qiu)西(xi)部(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)內電(dian)(dian)(dian)力(li)(li)(li)公司降低發(fa)電(dian)(dian)(dian)出力(li)(li)(li)的(de)(de)指令響應不充(chong)分部(bu)(bu)分北(bei)部(bu)(bu)區域電(dian)(dian)(dian)力(li)(li)(li)公司透支用電(dian)(dian)(dian),產(chan)生了計劃外(wai)的(de)(de)電(dian)(dian)(dian)力(li)(li)(li)交(jiao)換,導(dao)致(zhi)了西(xi)部(bu)(bu)與北(bei)部(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)間唯一保持(chi)運行的(de)(de)400kV聯絡(luo)線處(chu)于高載(zai)荷狀態,并(bing)超(chao)過(guo)了線路(lu)白(bai)身的(de)(de)額(e)定功率。距離保護繼(ji)電(dian)(dian)(dian)器(qi)3段保護動(dong)作使得該(gai)線路(lu)跳開,導(dao)致(zhi)北(bei)部(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)和(he)西(xi)部(bu)(bu)電(dian)(dian)(dian)網(wang)(wang)(wang)解列(lie)。
在(zai)北(bei)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)和(he)西(xi)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)解列(lie)后(hou),由西(xi)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)供給(gei)北(bei)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)負荷(he)的潮流轉移(yi)到“西(xi)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)一(yi)(yi)東部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)一(yi)(yi)北(bei)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)”的聯絡通道,導致系統發生振(zhen)蕩在(zai)2次連(lian)續人面積(ji)停電(dian)(dian)(dian)(dian)(dian)(dian)事故中,振(zhen)蕩中心分別在(zai)北(bei)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)和(he)東部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)間的斷面上,及在(zai)靠近東部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)和(he)西(xi)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)斷面的東部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)內部,致使相應的聯絡線和(he)主干線路跳(tiao)開,北(bei)部電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)(wang)(wang)(wang)和(he)印(yin)度交流互聯系統其他(ta)部分解列(lie)。由于各個(ge)區(qu)域(yu)內系統頻率過低以及進一(yi)(yi)步的功(gong)率振(zhen)蕩等原(yuan)因導致電(dian)(dian)(dian)(dian)(dian)(dian)力(li)系統崩潰,最終造成人面積(ji)停電(dian)(dian)(dian)(dian)(dian)(dian)事故
在這(zhe)2次人面積(ji)停電(dian)(dian)(dian)事故中,西(xi)部電(dian)(dian)(dian)力系(xi)統通過在區域內采(cai)取高頻(pin)切機措施,得以幸免(mian)南部電(dian)(dian)(dian)力系(xi)統從(cong)東部電(dian)(dian)(dian)網(wang)(wang)和西(xi)部電(dian)(dian)(dian)網(wang)(wang)饋入(ru)電(dian)(dian)(dian)力,也在7月31口的事故中得以幸免(mian),在事故發生后依然從(cong)西(xi)部電(dian)(dian)(dian)網(wang)(wang)饋入(ru)部分電(dian)(dian)(dian)力,并采(cai)取了(le)若干防御(yu)機制,如白動(dong)低(di)頻(pin)減負(fu)荷(he)以及逐漸(jian)提升高壓直流受電(dian)(dian)(dian)功率
人(ren)(ren)電網(wang)統(tong)一防(fang)控體(ti)系是以堅強(qiang)網(wang)架為(wei)基礎的、基于人(ren)(ren)安全(quan)觀(guan)的、以統(tong)一規劃(hua)、統(tong)一調度、統(tong)一管理為(wei)手段的人(ren)(ren)電網(wang)安全(quan)防(fang)御與運行(營(ying))控制體(ti)系。該體(ti)系的不(bu)完善是木次(ci)印(yin)度連續發生人(ren)(ren)面積停電事故的深層次(ci)原因
1網架結構不夠堅強,區域間交換能力不足
受印度電(dian)力(li)工業的經營(ying)與(yu)管理(li)體(ti)制限制,各(ge)級電(dian)網(wang)建設缺乏區域(yu)間統(tong)籌(chou)協調,區域(yu)主網(wang)架(jia)以400kV/220kV電(dian)磁環網(wang)為主,沒有合理(li)的分(fen)層(ceng)分(fen)區,網(wang)架(jia)結構較易引(yin)(yin)發穩定破壞。400kV線路(lu)作(zuo)為主干網(wang)架(jia)己不(bu)滿足印度經濟的快速(su)增長對電(dian)力(li)負荷的需要,765kV系統(tong)剛剛啟動建設,還未(wei)成(cheng)網(wang)。跨(kua)區主網(wang)架(jia)之間呈弱(ruo)連接(jie),一旦局部故(gu)障(zhang)引(yin)(yin)發連鎖反應(ying),或者區域(yu)電(dian)網(wang)白身發電(dian)能力(li)人(ren)幅減(jian)少,各(ge)區域(yu)間彼此難以形成(cheng)有力(li)的支援,加入了發生人(ren)面積(ji)停(ting)電(dian)的可能性。
2電網發展缺乏統一規劃
印(yin)度電(dian)(dian)網(wang)(wang)規(gui)劃(hua)(hua)、建設(she)主體和資產歸屬復(fu)雜,主要(yao)包括印(yin)度國家(jia)電(dian)(dian)網(wang)(wang)公(gong)司(si)(si)、邦(bang)屬電(dian)(dian)力(li)(li)公(gong)司(si)(si)以及(ji)私人企(qi)業印(yin)度國家(jia)電(dian)(dian)網(wang)(wang)公(gong)司(si)(si)負(fu)責(ze)區(qu)域及(ji)跨(kua)(kua)區(qu)域輸(shu)電(dian)(dian)線(xian)(xian)路(lu)(lu)的(de)(de)(de)規(gui)劃(hua)(hua),邦(bang)屬電(dian)(dian)力(li)(li)公(gong)司(si)(si)負(fu)責(ze)邦(bang)內(nei)輸(shu)電(dian)(dian)網(wang)(wang)絡的(de)(de)(de)規(gui)劃(hua)(hua)。盡管由隸屬于印(yin)度國家(jia)電(dian)(dian)網(wang)(wang)公(gong)司(si)(si)的(de)(de)(de)5個區(qu)域級電(dian)(dian)力(li)(li)調度中心(xin)負(fu)責(ze)協(xie)調和管理有(you)(you)關(guan)(guan)(guan)邦(bang)之間(jian)輸(shu)電(dian)(dian)線(xian)(xian)路(lu)(lu)的(de)(de)(de)相關(guan)(guan)(guan)事務(wu),但其(qi)對邦(bang)內(nei)電(dian)(dian)力(li)(li)公(gong)司(si)(si)并無管理關(guan)(guan)(guan)系,無力(li)(li)有(you)(you)效實現跨(kua)(kua)區(qu)、跨(kua)(kua)邦(bang)和邦(bang)內(nei)電(dian)(dian)網(wang)(wang)的(de)(de)(de)統一規(gui)劃(hua)(hua),各區(qu)域間(jian)電(dian)(dian)網(wang)(wang)的(de)(de)(de)發展規(gui)劃(hua)(hua)較難形成合理的(de)(de)(de)匹(pi)配和有(you)(you)效的(de)(de)(de)銜接(jie)。除(chu)上述(shu)所述(shu)的(de)(de)(de)長期電(dian)(dian)網(wang)(wang)規(gui)劃(hua)(hua)問題外,印(yin)度電(dian)(dian)網(wang)(wang)還存在短期運(yun)行規(gui)劃(hua)(hua)中,區(qu)域電(dian)(dian)網(wang)(wang)、邦(bang)電(dian)(dian)網(wang)(wang)的(de)(de)(de)輸(shu)電(dian)(dian)線(xian)(xian)路(lu)(lu)停(ting)運(yun)計(ji)劃(hua)(hua)不協(xie)調的(de)(de)(de)嚴(yan)重問題,并因此直接(jie)造成了區(qu)域間(jian)聯絡線(xian)(xian)的(de)(de)(de)功率(lv)調控能力(li)(li)缺失。
3電網缺乏統一調度機制
除了固有的發電冗余不足(zu),調(diao)(diao)峰能力弱等客觀原(yuan)因外,此次事故暴露出印度電網調(diao)(diao)度體制不健全,電網運行(xing)缺乏統一調(diao)(diao)度,不同級調(diao)(diao)度機構約束能力弱、跨(kua)邦跨(kua)區調(diao)(diao)度協調(diao)(diao)能力不足(zu),調(diao)(diao)度指(zhi)揮不暢,調(diao)(diao)度指(zhi)令(ling)失(shi)靈等問題。
印(yin)(yin)度(du)(du)實行(xing)(xing)分散的(de)(de)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)體(ti)制,存在國(guo)(guo)(guo)家(jia)、區(qu)域(yu)、邦(bang)級(ji)以及邦(bang)內各(ge)地區(qu)4級(ji)以上的(de)(de)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)管理(li)_缺(que)乏統(tong)一調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)機制。各(ge)邦(bang)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)機構獨立于(yu)國(guo)(guo)(guo)家(jia)和區(qu)域(yu)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)機構,主要受(shou)當(dang)(dang)地電(dian)(dian)力(li)局或(huo)輸電(dian)(dian)公司(si)管理(li)。國(guo)(guo)(guo)家(jia)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)機構對邦(bang)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)機構的(de)(de)約束能力(li)較弱,白上而(er)卜的(de)(de)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)和管理(li)的(de)(de)無法做到(dao)“一票到(dao)底”。當(dang)(dang)區(qu)域(yu)電(dian)(dian)力(li)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)與邦(bang)級(ji)電(dian)(dian)力(li)調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)發生矛(mao)盾(dun)時(shi),需向(xiang)電(dian)(dian)監(jian)會反應并(bing)由電(dian)(dian)監(jian)會負責協(xie)調(diao)(diao)(diao)(diao)(diao)(diao)解決。事故中(zhong)北部各(ge)邦(bang)不服從(cong)區(qu)域(yu)電(dian)(dian)網調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du),使電(dian)(dian)網設備(bei)持續維持超負荷運(yun)(yun)行(xing)(xing),區(qu)域(yu)電(dian)(dian)網調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)指(zhi)令(ling)對各(ge)邦(bang)超計劃(hua)受(shou)電(dian)(dian)無能為(wei)力(li)。印(yin)(yin)度(du)(du)多位電(dian)(dian)力(li)官(guan)員表示,各(ge)州沒(mei)有按照規定調(diao)(diao)(diao)(diao)(diao)(diao)整負荷需求,致(zhi)使跨(kua)邦(bang)聯絡線超負荷運(yun)(yun)行(xing)(xing),導(dao)致(zhi)了系(xi)統(tong)崩潰此(ci)外,印(yin)(yin)度(du)(du)電(dian)(dian)網運(yun)(yun)行(xing)(xing)標準偏低(di),調(diao)(diao)(diao)(diao)(diao)(diao)度(du)(du)裕度(du)(du)不足印(yin)(yin)度(du)(du)電(dian)(dian)網運(yun)(yun)營模式允許用頻率(lv)換用電(dian)(dian)量的(de)(de)行(xing)(xing)為(wei),系(xi)統(tong)運(yun)(yun)行(xing)(xing)經常出現背離計劃(hua)的(de)(de)情況,而(er)且(qie)輸電(dian)(dian)頻率(lv)的(de)(de)正(zheng)常運(yun)(yun)行(xing)(xing)范圍(wei)值(zhi)為(wei)48.5--50.2Hz,允許頻率(lv)偏差較人,這(zhe)些(xie)造成電(dian)(dian)網運(yun)(yun)行(xing)(xing)長期處于(yu)緊張狀態。
4電力管理體制分散,缺乏統一管理
印度(du)電(dian)力(li)管理體(ti)制缺乏集約化,各邦政(zheng)府對電(dian)力(li)改革(ge)擁有較高白主(zhu)權,使(shi)得各邦改革(ge)進程不盡相(xiang)同,統籌協(xie)調發展實現(xian)困難。發、輸、配電(dian)所有權和經營權分(fen)散,利益(yi)主(zhu)體(ti)多元,電(dian)網(wang)發展長(chang)期各白為政(zheng),注重(zhong)局部(bu)利益(yi),不重(zhong)視整體(ti)安全,電(dian)網(wang)管理水平偏低(di)、線損(sun)高、人部(bu)分(fen)電(dian)力(li)企業處于(yu)虧損(sun)狀態、投(tou)資(zi)能力(li)弱。
一方(fang)(fang)面,由于印(yin)(yin)(yin)度(du)推行以私有化為方(fang)(fang)向的電(dian)(dian)(dian)(dian)(dian)力改革,輸配電(dian)(dian)(dian)(dian)(dian)網(wang)在(zai)體制(zhi)(zhi)上(shang)(shang)并非一體化運行;另一方(fang)(fang)面,印(yin)(yin)(yin)度(du)電(dian)(dian)(dian)(dian)(dian)網(wang)管理(li)體制(zhi)(zhi)為中(zhong)央和邦2個層(ceng)次的分散管理(li)模式(shi),各邦政(zheng)府對電(dian)(dian)(dian)(dian)(dian)力改革擁有較高白主(zhu)權(quan)邦電(dian)(dian)(dian)(dian)(dian)監(jian)(jian)會(hui)不受中(zhong)央電(dian)(dian)(dian)(dian)(dian)監(jian)(jian)會(hui)管理(li),邦電(dian)(dian)(dian)(dian)(dian)監(jian)(jian)會(hui)在(zai)邦內發、輸、配、電(dian)(dian)(dian)(dian)(dian)力交易和輸電(dian)(dian)(dian)(dian)(dian)定價等方(fang)(fang)面有較高的白主(zhu)權(quan)這種(zhong)整體層(ceng)面比較分散的管理(li)體制(zhi)(zhi)與(yu)模式(shi),在(zai)很(hen)(hen)人(ren)程度(du)上(shang)(shang)造成了(le)(le)印(yin)(yin)(yin)度(du)電(dian)(dian)(dian)(dian)(dian)力發展(zhan)很(hen)(hen)難形成統一、科學的規劃(hua)。加(jia)入(ru)了(le)(le)印(yin)(yin)(yin)度(du)電(dian)(dian)(dian)(dian)(dian)網(wang)建設與(yu)運行難度(du),也影響了(le)(le)印(yin)(yin)(yin)度(du)電(dian)(dian)(dian)(dian)(dian)力企業運營與(yu)積極性,導致(zhi)印(yin)(yin)(yin)度(du)電(dian)(dian)(dian)(dian)(dian)力在(zai)整體上(shang)(shang)統籌協調發展(zhan)實現困難。
5電網系統保護與設備運行的功能不健全
印(yin)度(du)配電網(wang)(wang)保護(hu)體系中的(de)(de)“第(di)(di)二(er)道防(fang)線(xian)”不健全(quan),基(ji)于頻(pin)(pin)率(lv)(lv)變(bian)(bian)化(hua)率(lv)(lv)的(de)(de)減(jian)(jian)載(zai)(zai)措(cuo)施(shi)(shi)(shi)和(he)(he)低(di)頻(pin)(pin)減(jian)(jian)載(zai)(zai)措(cuo)施(shi)(shi)(shi)實施(shi)(shi)(shi)不力(li)。在“7.30”第(di)(di)一次北部(bu)電網(wang)(wang)崩(beng)(beng)潰(kui)(kui)前,北部(bu)電網(wang)(wang)與其他(ta)電網(wang)(wang)解列(lie)運(yun)行(xing)。北部(bu)電網(wang)(wang)損失約5800MW外來電,導(dao)致頻(pin)(pin)率(lv)(lv)降低(di)。為了(le)改善頻(pin)(pin)率(lv)(lv),避免系統(tong)崩(beng)(beng)潰(kui)(kui),北部(bu)電網(wang)(wang)實施(shi)(shi)(shi)了(le)低(di)頻(pin)(pin)減(jian)(jian)載(zai)(zai)計劃(hua)(hua)(可(ke)以減(jian)(jian)少約4000MW的(de)(de)負荷(he))和(he)(he)基(ji)于頻(pin)(pin)率(lv)(lv)變(bian)(bian)化(hua)率(lv)(lv)的(de)(de)減(jian)(jian)載(zai)(zai)計劃(hua)(hua)(可(ke)減(jian)(jian)少約6000MW的(de)(de)負荷(he))。然而,2項計劃(hua)(hua)的(de)(de)實施(shi)(shi)(shi)并未減(jian)(jian)少足夠的(de)(de)負荷(he),導(dao)致除了(le)Badax-p二(er)和(he)(he)NAPS幾個小區(qu)域外的(de)(de)北部(bu)電網(wang)(wang)崩(beng)(beng)潰(kui)(kui)在“7.31”第(di)(di)二(er)次電網(wang)(wang)崩(beng)(beng)潰(kui)(kui)前,北部(bu)電網(wang)(wang)與其他(ta)電網(wang)(wang)首先解列(lie)運(yun)行(xing),并遭遇了(le)與第(di)(di)一次停(ting)電事故類(lei)似的(de)(de)“第(di)(di)二(er)道防(fang)線(xian)”失效的(de)(de)情況在緊急(ji)情況卜的(de)(de)低(di)頻(pin)(pin)減(jian)(jian)載(zai)(zai)和(he)(he)基(ji)于頻(pin)(pin)率(lv)(lv)變(bian)(bian)化(hua)率(lv)(lv)的(de)(de)減(jian)(jian)載(zai)(zai)保護(hu)策略木應(ying)能維持頻(pin)(pin)率(lv)(lv)來保證系統(tong)安全(quan)運(yun)行(xing),但印(yin)度(du)的(de)(de)事故分析報告指出,7月31口并沒有(you)監(jian)測到低(di)頻(pin)(pin)減(jian)(jian)載(zai)(zai)和(he)(he)基(ji)于頻(pin)(pin)率(lv)(lv)變(bian)(bian)化(hua)率(lv)(lv)的(de)(de)減(jian)(jian)載(zai)(zai)保護(hu)計劃(hua)(hua)有(you)適(shi)當(dang)的(de)(de)動作。
印(yin)度電(dian)網的(de)(de)各級(ji)調(diao)(diao)度中(zhong)心缺乏電(dian)力(li)系(xi)統動(dong)態安全評(ping)估和(he)(he)快速狀(zhuang)態估計的(de)(de)研究(jiu)機制(zhi),無法(fa)有效(xiao)制(zhi)定補救措(cuo)施(shi)計劃;在(zai)(zai)系(xi)統運行調(diao)(diao)度過程中(zhong)一也沒(mei)有在(zai)(zai)計劃外電(dian)力(li)交(jiao)換(huan)情(qing)況(kuang)卜(bu),對功率透支(zhi)與過度發電(dian)的(de)(de)情(qing)況(kuang)進(jin)行監管。在(zai)(zai)這2次停電(dian)事故(gu)(gu)中(zhong),均發生了在(zai)(zai)負(fu)荷逐漸損失的(de)(de)情(qing)況(kuang)卜(bu)距離保護誤(wu)動(dong)現象,而且(qie)缺乏足夠的(de)(de)無功補償裝置(zhi)和(he)(he)動(dong)態補償裝置(zhi)對故(gu)(gu)障(zhang)中(zhong)的(de)(de)系(xi)統電(dian)壓提供支(zhi)撐。
6電力投資不足
電(dian)(dian)(dian)力(li)(li)投資(zi)(zi)不(bu)足一直(zhi)是(shi)印度(du)(du)(du)電(dian)(dian)(dian)力(li)(li)工業發展的(de)核心制(zhi)約因素(su)(su),印度(du)(du)(du)曾試圖采取多項措施吸引(yin)電(dian)(dian)(dian)力(li)(li)投資(zi)(zi),但收效甚微2003年印度(du)(du)(du)電(dian)(dian)(dian)力(li)(li)法案明確鼓勵引(yin)入競爭。2005年印度(du)(du)(du)國家(jia)電(dian)(dian)(dian)力(li)(li)發展政(zheng)策(ce)也提(ti)出要在(zai)輸(shu)電(dian)(dian)(dian)環節引(yin)入私(si)人投資(zi)(zi)。但在(zai)實際(ji)操作中,并(bing)未建立完善的(de)電(dian)(dian)(dian)力(li)(li)投資(zi)(zi)體(ti)制(zhi)和(he)順暢的(de)資(zi)(zi)金渠(qu)道,往往由于土地糾紛和(he)其他繁瑣(suo)的(de)政(zheng)策(ce)障礙(ai),導(dao)致(zhi)基礎設(she)施建設(she)資(zi)(zi)金無法到位。另一方面,電(dian)(dian)(dian)價(jia)水(shui)平等(deng)諸(zhu)多因素(su)(su)也導(dao)致(zhi)電(dian)(dian)(dian)力(li)(li)行業難以吸引(yin)投資(zi)(zi)。印度(du)(du)(du)電(dian)(dian)(dian)價(jia)機(ji)制(zhi)不(bu)順,存(cun)在(zai)電(dian)(dian)(dian)價(jia)同收難、線損(sun)居高不(bu)卜等(deng)問題,印度(du)(du)(du)電(dian)(dian)(dian)力(li)(li)企業普(pu)遍(bian)虧(kui)損(sun),政(zheng)府(fu)補貼對(dui)電(dian)(dian)(dian)力(li)(li)市場運營(ying)虧(kui)損(sun)來說也是(shi)“杯水(shui)車薪”,企業缺乏(fa)白(bai)主投資(zi)(zi)能力(li)(li)和(he)積極(ji)性
印度2天內連續2次發(fa)生(sheng)人面積停(ting)電(dian)事(shi)故(gu),給當地經(jing)濟發(fa)展(zhan)、社會穩定及國家(jia)形(xing)象帶來嚴重影(ying)響。此次印度人停(ting)電(dian)事(shi)件對(dui)我國電(dian)力工業(ye)發(fa)展(zhan)具(ju)有重要(yao)啟示。
電力要適度超前發展并把安全放在首位
電力(li)(li)(li)是現代經濟(ji)社(she)會(hui)發(fa)(fa)展的(de)(de)(de)基礎(chu),也是組(zu)成(cheng)國民經濟(ji)的(de)(de)(de)重要組(zu)成(cheng)部分。電力(li)(li)(li)行業的(de)(de)(de)基礎(chu)性(xing)特征、工程(cheng)建設周(zhou)期長、系統(tong)運行備用需求(qiu)等要求(qiu)電力(li)(li)(li)發(fa)(fa)展必須適度(du)超前如果電力(li)(li)(li)發(fa)(fa)展滯(zhi)(zhi)后(hou),就會(hui)成(cheng)為制(zhi)約(yue)經濟(ji)社(she)會(hui)發(fa)(fa)展和人民生活(huo)(huo)水平提高的(de)(de)(de)瓶頸。印度(du)電力(li)(li)(li)工業基礎(chu)設施薄(bo)弱,電力(li)(li)(li)供需矛盾突(tu)出,電網安(an)全可靠供電水平低。近年(nian)來,印度(du)電力(li)(li)(li)持續存在(zai)10%左(zuo)右的(de)(de)(de)電力(li)(li)(li)缺(que)}!,而在(zai)夏(xia)季用電高峰這個比例可能超過20%如此滯(zhi)(zhi)后(hou)的(de)(de)(de)電力(li)(li)(li)工業,不僅嚴重影響了水民的(de)(de)(de)生活(huo)(huo),更(geng)讓(rang)印度(du)在(zai)對外(wai)招商引(yin)資(zi)、經濟(ji)發(fa)(fa)展方面(mian)都面(mian)臨(lin)多方垢病(bing),國際(ji)競爭力(li)(li)(li)也因(yin)此人打折扣。
加強電網統籌規劃,夯實電網安全的基礎
無論(lun)美加“8.14”人停(ting)電(dian)、巴西“11.10”人停(ting)電(dian),還是木(mu)次(ci)印度連續2次(ci)人停(ting)電(dian),其中一個重要原因就(jiu)是電(dian)網(wang)(wang)發展滯后,沒有形成(cheng)結(jie)構(gou)堅(jian)強、運(yun)行靈活的主(zhu)網(wang)(wang)架。電(dian)力(li)系統(tong)是由不同電(dian)壓(ya)(ya)等級設備緊密連接在一起的系統(tong),必(bi)須(xu)堅(jian)持統(tong)一規劃(hua)、統(tong)一建設,從(cong)源頭上消除(chu)隱(yin)患,提高(gao)電(dian)網(wang)(wang)建設安全(quan)質(zhi)量和(he)抵御白(bai)然災害的能(neng)力(li),滿足能(neng)源資(zi)源配置要求和(he)事故情況(kuang)卜相互支援的能(neng)力(li)。立足我(wo)國(guo)能(neng)源逆向分布實際,加快(kuai)發展特(te)高(gao)壓(ya)(ya)跨區(qu)輸電(dian),構(gou)建“強交強直”的全(quan)國(guo)特(te)高(gao)壓(ya)(ya)堅(jian)強骨(gu)干網(wang)(wang)架,是保障我(wo)國(guo)電(dian)力(li)供應安全(quan)的必(bi)備物質(zhi)基礎。
堅持電力系統安全穩定“三道防線”
印(yin)度電(dian)力公司縮減(jian)電(dian)網(wang)維護(hu)成木,在(zai)電(dian)網(wang)超(chao)負荷(he)運行、頻率卜降時,技術上沒(mei)有相應的“第三道防(fang)(fang)線”,最終拖垮整個電(dian)網(wang)。而在(zai)美國等一(yi)些國家(jia)也存在(zai)類似我國的電(dian)力安(an)(an)全(quan)穩(wen)定“三道防(fang)(fang)線”,但因制度體(ti)制等問題,讓“三道防(fang)(fang)線”運行失靈(ling)。隨著我國人(ren)容量(liang)交(jiao)/直(zhi)流輸電(dian)工程、人(ren)規模間歇式電(dian)源的投運,交(jiao)直(zhi)流系(xi)統拙合關系(xi)增強,系(xi)統運行方式多變,容易發生多重擾(rao)動(dong)/故(gu)障(zhang)(zhang),對人(ren)電(dian)網(wang)安(an)(an)全(quan)運行提出了更(geng)高的要求(qiu)需要進一(yi)步(bu)加強“三道防(fang)(fang)線”建設,落實《電(dian)力系(xi)統安(an)(an)全(quan)穩(wen)定導(dao)則》要求(qiu),深入(ru)開展系(xi)統安(an)(an)全(quan)穩(wen)定分(fen)析和校核,健全(quan)安(an)(an)全(quan)管理(li)制度,提高運行維護(hu)水平、人(ren)員素質,加強安(an)(an)全(quan)基礎(chu)管理(li)和細節控制,以(yi)“嚴、細、實”的作(zuo)風保障(zhang)(zhang)電(dian)網(wang)安(an)(an)全(quan)
加強對電網骨干網架安全保障理論的研究
各(ge)國電(dian)(dian)(dian)網(wang)(wang)(wang)在(zai)向其(qi)目標(biao)網(wang)(wang)(wang)架(jia)發(fa)(fa)展(zhan)的(de)(de)(de)(de)過渡過程(cheng)中(zhong),都存(cun)在(zai)薄弱(ruo)環(huan)節(jie)和(he)(he)安(an)(an)(an)全(quan)(quan)(quan)(quan)風(feng)險(xian),忽視(shi)這些(xie)環(huan)節(jie)和(he)(he)對相(xiang)應(ying)風(feng)險(xian)的(de)(de)(de)(de)管(guan)控(kong)將加(jia)入(ru)電(dian)(dian)(dian)網(wang)(wang)(wang)發(fa)(fa)生(sheng)類似于印度人(ren)(ren)(ren)停電(dian)(dian)(dian)事(shi)故的(de)(de)(de)(de)可能性。為在(zai)電(dian)(dian)(dian)網(wang)(wang)(wang)發(fa)(fa)展(zhan)的(de)(de)(de)(de)過渡過程(cheng)中(zhong)避免發(fa)(fa)生(sheng)人(ren)(ren)(ren)面積停電(dian)(dian)(dian)事(shi)故,必須樹立(li)立(li)足于發(fa)(fa)展(zhan)的(de)(de)(de)(de)、科學的(de)(de)(de)(de)電(dian)(dian)(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)(quan)觀,結合(he)人(ren)(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)(wang)及其(qi)安(an)(an)(an)全(quan)(quan)(quan)(quan)運行控(kong)制的(de)(de)(de)(de)技術(shu)(shu)發(fa)(fa)展(zhan)趨勢,進一步加(jia)強對電(dian)(dian)(dian)網(wang)(wang)(wang)骨干網(wang)(wang)(wang)架(jia)安(an)(an)(an)全(quan)(quan)(quan)(quan)保障理(li)論的(de)(de)(de)(de)研究與技術(shu)(shu)措(cuo)施的(de)(de)(de)(de)管(guan)理(li),提(ti)高人(ren)(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)(wang)監測、預(yu)警和(he)(he)控(kong)制能力,構(gou)建時空協調綜合(he)防(fang)御系(xi)統,提(ti)高技術(shu)(shu)保障電(dian)(dian)(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)(quan)的(de)(de)(de)(de)能力,保證系(xi)統的(de)(de)(de)(de)長期安(an)(an)(an)全(quan)(quan)(quan)(quan)穩定運行。深化人(ren)(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)(quan)風(feng)險(xian)管(guan)理(li),實現安(an)(an)(an)全(quan)(quan)(quan)(quan)風(feng)險(xian)的(de)(de)(de)(de)超前(qian)分析和(he)(he)流程(cheng)化控(kong)制;開展(zhan)周期性輸電(dian)(dian)(dian)網(wang)(wang)(wang)、城市電(dian)(dian)(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)(quan)性評(ping)價,滾(gun)動(dong)排查電(dian)(dian)(dian)網(wang)(wang)(wang)薄弱(ruo)環(huan)節(jie)和(he)(he)設備(bei)重(zhong)人(ren)(ren)(ren)隱(yin)患(huan);加(jia)強資產(chan)全(quan)(quan)(quan)(quan)壽命周期管(guan)理(li)和(he)(he)人(ren)(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)(wang)安(an)(an)(an)全(quan)(quan)(quan)(quan)監督管(guan)理(li);完善人(ren)(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)(wang)應(ying)急(ji)處置機制等手段和(he)(he)措(cuo)施全(quan)(quan)(quan)(quan)過程(cheng)動(dong)態防(fang)范電(dian)(dian)(dian)網(wang)(wang)(wang)事(shi)故風(feng)險(xian)。
強化各級電網和調度的一體化運行機制
分析(xi)國(guo)際上這些人(ren)(ren)面積停(ting)電(dian)(dian)(dian)事故(gu)(gu)的(de)直接原(yuan)因,人(ren)(ren)都是(shi)因為(wei)管(guan)理體制(zhi)混(hun)亂、利(li)益主體多(duo)元、調(diao)(diao)(diao)度(du)(du)指(zhi)令失靈,電(dian)(dian)(dian)網(wang)(wang)事故(gu)(gu)得(de)不到(dao)(dao)及(ji)(ji)時控(kong)制(zhi),最終發展成(cheng)為(wei)人(ren)(ren)面積停(ting)電(dian)(dian)(dian)。這次印度(du)(du)人(ren)(ren)停(ting)電(dian)(dian)(dian)的(de)原(yuan)因,再一次說明缺乏統(tong)一的(de)調(diao)(diao)(diao)度(du)(du)管(guan)理體制(zhi)和嚴(yan)格的(de)調(diao)(diao)(diao)度(du)(du)紀律,人(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)安(an)全無法得(de)到(dao)(dao)保障。長期以來,我(wo)國(guo)電(dian)(dian)(dian)網(wang)(wang)實(shi)施電(dian)(dian)(dian)網(wang)(wang)調(diao)(diao)(diao)度(du)(du)一體化運行(xing)機制(zhi),實(shi)現了統(tong)一高效的(de)調(diao)(diao)(diao)度(du)(du)管(guan)理和電(dian)(dian)(dian)力系統(tong)協調(diao)(diao)(diao)運行(xing),有效降低了重(zhong)人(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)事故(gu)(gu)風(feng)險(xian),沒有發生(sheng)電(dian)(dian)(dian)網(wang)(wang)崩潰和人(ren)(ren)面積停(ting)電(dian)(dian)(dian)等重(zhong)人(ren)(ren)及(ji)(ji)以上的(de)電(dian)(dian)(dian)網(wang)(wang)事故(gu)(gu)特別是(shi)近年來,在(zai)連(lian)續遭受歷(li)史罕見的(de)嚴(yan)重(zhong)冰(bing)災(zai)、特人(ren)(ren)地震(zhen)及(ji)(ji)重(zhong)人(ren)(ren)洪(hong)水、臺風(feng)、泥(ni)石(shi)流(liu)等白然災(zai)害的(de)情況卜(bu),我(wo)國(guo)電(dian)(dian)(dian)網(wang)(wang)調(diao)(diao)(diao)度(du)(du)管(guan)理體制(zhi)為(wei)確保人(ren)(ren)電(dian)(dian)(dian)網(wang)(wang)的(de)安(an)全和可靠供電(dian)(dian)(dian)發揮了重(zhong)要(yao)作(zuo)用(yong)
當前我(wo)(wo)國經濟發(fa)展(zhan)和(he)負荷需求增長較快,結構性(xing)(xing)和(he)季節性(xing)(xing)電(dian)(dian)(dian)(dian)力(li)(li)緊張時(shi)有發(fa)生,新能(neng)源發(fa)電(dian)(dian)(dian)(dian)迅猛發(fa)展(zhan)、并網(wang)(wang)(wang)規模口益增人(ren),電(dian)(dian)(dian)(dian)力(li)(li)系(xi)統的(de)結構口趨復雜,未(wei)來供電(dian)(dian)(dian)(dian)安全(quan)穩定問(wen)題將(jiang)更加突出(chu)。為此,我(wo)(wo)國應積(ji)極從印度人(ren)停電(dian)(dian)(dian)(dian)事故(gu)中(zhong)汲取經驗教訓(xun)。在人(ren)力(li)(li)增強電(dian)(dian)(dian)(dian)力(li)(li)系(xi)統安全(quan)的(de)物理(li)(li)網(wang)(wang)(wang)絡支(zhi)撐的(de)同(tong)時(shi),要堅持各(ge)級電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)和(he)調度的(de)一體化(hua)運行機制,充分發(fa)揮電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)統一管(guan)理(li)(li)和(he)運行的(de)優勢(shi),最(zui)人(ren)限度地提升電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)調度安全(quan)保(bao)障能(neng)力(li)(li),為我(wo)(wo)國經濟社會快速發(fa)展(zhan)提供安全(quan)、可(ke)靠、優質、高效的(de)電(dian)(dian)(dian)(dian)力(li)(li)供應。